期刊
ORGANIC LETTERS
卷 12, 期 4, 页码 764-767出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol902852g
关键词
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资金
- KRF [2008-314-C00206]
- MEST [2009-0080734]
- Ministry of Education
- National Research Foundation of Korea [2008-314-C00206] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A Co(II)-salen based fluorescent sensor (1 center dot Co) that can selectively recognize cyanide anions in 1:2 binding stoichiometry over other anions has been developed. 1 center dot Co displayed fluorescence enhancement upon the addition of cyanide owing to the interruption of photoinduced electron transfer from the coumarin fluorophore to the cobalt(II) ion. A general regression method was developed to calculate the binding constants in the 1:2 binding system, through which the 1:2 binding between 1 center dot Co and cyanide anions was estimated to be in the range of micromolar dissociation constants.
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